Reland: chrome.webRequest support for ExtensionSettings

extensions/common/permissions/permissions_data.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/common/permissions/permissions_data.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 262 matching lines @@
   base::AutoLock auto_lock(runtime_lock_);
   URLPatternSet effective_hosts = active_permissions_unsafe_->effective_hosts();
   for (const auto& val : tab_specific_permissions_)
     effective_hosts.AddPatterns(val.second->effective_hosts());
   return effective_hosts;
 }
 
 bool PermissionsData::HasHostPermission(const GURL& url) const {
   base::AutoLock auto_lock(runtime_lock_);
   return active_permissions_unsafe_->HasExplicitAccessToOrigin(url) &&
-         !IsRuntimeBlockedHost(url);
+         !IsRuntimeBlockedHostUnsafe(url);
 }
 
 bool PermissionsData::HasEffectiveAccessToAllHosts() const {
   base::AutoLock auto_lock(runtime_lock_);
   return active_permissions_unsafe_->HasEffectiveAccessToAllHosts();
 }
 
 PermissionMessages PermissionsData::GetPermissionMessages() const {
   base::AutoLock auto_lock(runtime_lock_);
   return PermissionMessageProvider::Get()->GetPermissionMessages(
@@ skipping 111 matching lines @@
   if (tab_id >= 0) {
     const PermissionSet* tab_permissions = GetTabSpecificPermissions(tab_id);
     if (tab_permissions &&
         tab_permissions->explicit_hosts().MatchesSecurityOrigin(url)) {
       return true;
     }
   }
   return false;
 }
 
-bool PermissionsData::IsRuntimeBlockedHost(const GURL& url) const {
+bool PermissionsData::IsRuntimeBlockedHostUnsafe(const GURL& url) const {
   runtime_lock_.AssertAcquired();
   return PolicyBlockedHostsUnsafe().MatchesURL(url) &&
          !PolicyAllowedHostsUnsafe().MatchesURL(url);
 }
 
 PermissionsData::AccessType PermissionsData::CanRunOnPage(
     const Extension* extension,
     const GURL& document_url,
     int tab_id,
     const URLPatternSet& permitted_url_patterns,
     const URLPatternSet& withheld_url_patterns,
     std::string* error) const {
   runtime_lock_.AssertAcquired();
   if (g_policy_delegate && !g_policy_delegate->CanExecuteScriptOnPage(
                                extension, document_url, tab_id, error))
     return ACCESS_DENIED;
 
   if (extension->location() != Manifest::COMPONENT &&
-      extension->permissions_data()->IsRuntimeBlockedHost(document_url)) {
+      extension->permissions_data()->IsRuntimeBlockedHostUnsafe(document_url)) {
     if (error)
       *error = extension_misc::kPolicyBlockedScripting;
     return ACCESS_DENIED;
   }
 
   if (IsRestrictedUrl(document_url, extension, error))
     return ACCESS_DENIED;
 
   if (HasTabSpecificPermissionToExecuteScript(tab_id, document_url))
     return ACCESS_ALLOWED;
@@ skipping 11 matching lines @@
           manifest_errors::kCannotAccessPageWithUrl, document_url.spec());
     } else {
       *error = manifest_errors::kCannotAccessPage;
     }
   }
 
   return ACCESS_DENIED;
 }
 
 }  // namespace extensions